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76d21d186a65523b08ea5f70302e2c29ee8f6a8d
Some user space drivers need accessing IO address and IO remap need SO(strong order) page-attribute to make IO operation correct. So we need add SO-page-attr for all non-memory address. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reported-by: Fan Xiaodong <xiaodong.fan@boyahualu.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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